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A 120g ball moving at .30 m/s in the + x-direction is subject to a 0.15N force in the - y-direction for 3.0s.
A. Find the magnitude of the ball's momentum change.
B. Find the ball's final speed.
C. Find the angle between the ball's final velocity and the positive x direction.
An image of a biological sample is to have a resolution of 5 nm. (i) What is the kinetic energy of a beam of electrons with a de Broglie wavelength of 5.0nm.
A square loop of wire with 2.00m sides is perpendicular to a uniform magnetic field that points into the paper. what is the direction of the current through the resistor
Objects with masses of 145kg and a 445kg are separated by 0.330m. At what position (other than infinitely remote ones) can the 32kg object be placed so as to experience the net force of zero.
Camera lenses are described in terms of their focal length. A 50 mm lens has a focal length of 50 mm, Locate the position of the image
A mass on a spring with constant 3.63 N/m vibrates with position given by the equation x = (5.00 cm) cos(3.10t rad/s). What is the maximum rate of energy transformation
A rocket cruising past earth at 0.800c shoots a bullet out the back door, opposite the rocket's motion, at 0.900c relative to the rocket. What is the bullet's speed relative to the earth
In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 6.6 m/s in 2.91 s. determine the distance he runs
Each cable has a length of l = 2.70 -{rm m}. What is the tension T in each of the cables? Use 9.80- {rm m/s}^2 for the magnitude of the acceleration as a result of gravity.
A spherical capacitor contains a charge of 3.30nC when connected to a potential difference of 250 V. Calculate the radius of the inner sphere
You push a crate across a rough floor against a constat force of friction. You first push with a force of 35N, the acceleration of the box is 0.80m/s^2; Find the mass of the box
Three point charges are arranged along the x axis. Charge q1= -4.70 nC is located at x= 0.200 m and charge q2 = 2.20 nC is at x = -0.340 m. A positive point charge q3 is located at the origin.
When viewed in a spherical mirror, the image of a setting sun is a virtual image. What is the radius of curvature of the mirror
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